$139 Cheap flights from Lambert-St. Louis Intl. to Portland Intl. Jetport (STL to PWM)

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Find The Best Dates To Fly from Lambert-St. Louis Intl. to Portland Intl. Jetport

Compare Flight Prices from St. Louis to Portland

Affordable Airfare Tickets from STL to PWM Airport

The cheapest flights to Portland Intl. Jetport found within the past 7 days were $277 round trip and $139 one way. Prices and availability subject to change. Additional terms may apply.

Mon, Oct 6 - Wed, Oct 15
STL
St. Louis
PWM
Portland
$277 Roundtrip, found 5 days ago
$277
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Oct 6 from St. Louis to Portland, returning Wed, Oct 15, priced at $277 found 5 days ago
Fri, Sep 12 - Sat, Sep 27
STL
St. Louis
PWM
Portland
$306 Roundtrip, found 5 hours ago
$306
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Fri, Sep 12 from St. Louis to Portland, returning Sat, Sep 27, priced at $306 found 5 hours ago
Wed, Oct 8 - Wed, Oct 15
STL
St. Louis
PWM
Portland
$314 Roundtrip, found 2 hours ago
$314
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Oct 8 from St. Louis to Portland, returning Wed, Oct 15, priced at $314 found 2 hours ago
Sat, Sep 20 - Thu, Sep 25
STL
St. Louis
PWM
Portland
$317 Roundtrip, found 10 hours ago
$317
Roundtrip
found 10 hours ago
Select Southwest Airlines flight, departing Sat, Sep 20 from St. Louis to Portland, returning Thu, Sep 25, priced at $317 found 10 hours ago
Mon, Oct 6 - Sat, Oct 18
STL
St. Louis
PWM
Portland
$317 Roundtrip, found 6 hours ago
$317
Roundtrip
found 6 hours ago
Select United flight, departing Mon, Oct 6 from St. Louis to Portland, returning Sat, Oct 18, priced at $317 found 6 hours ago
Wed, Oct 8 - Wed, Oct 15
STL
St. Louis
PWM
Portland
$319 Roundtrip, found 2 hours ago
$319
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Oct 8 from St. Louis to Portland, returning Wed, Oct 15, priced at $319 found 2 hours ago
Wed, Oct 8 - Wed, Oct 15
STL
St. Louis
PWM
Portland
$320 Roundtrip, found 2 hours ago
$320
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Oct 8 from St. Louis to Portland, returning Wed, Oct 15, priced at $320 found 2 hours ago
Wed, Oct 8 - Wed, Oct 15
STL
St. Louis
PWM
Portland
$322 Roundtrip, found 2 hours ago
$322
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Oct 8 from St. Louis to Portland, returning Wed, Oct 15, priced at $322 found 2 hours ago
Mon, Oct 6 - Sat, Oct 18
STL
St. Louis
PWM
Portland
$322 Roundtrip, found 6 hours ago
$322
Roundtrip
found 6 hours ago
Select United flight, departing Mon, Oct 6 from St. Louis to Portland, returning Sat, Oct 18, priced at $322 found 6 hours ago
Wed, Oct 15 - Mon, Oct 20
STL
St. Louis
PWM
Portland
$325 Roundtrip, found 2 days ago
$325
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Wed, Oct 15 from St. Louis to Portland, returning Mon, Oct 20, priced at $325 found 2 days ago

Portland Intl. Jetport flight + hotel packages - economy flights

Price found within the past 48 hours. Click for updated prices.
Ogunquit River Inn & Suites

Ogunquit River Inn & Suites

3 out of 5
Save 100% on your flight
per person
Aug 17 - Aug 23
found 22 hours ago
Roundtrip non-stop flight included
St. Louis (STL) to Portland (PWM)
Cliff House Maine

Cliff House Maine

4.5 out of 5
Save 100% on your flight
per person
Aug 17 - Aug 23
found 22 hours ago
Roundtrip non-stop flight included
St. Louis (STL) to Portland (PWM)
The McKernan Inn

The McKernan Inn

3 out of 5
per person
Aug 18 - Aug 22
found 12 hours ago
Roundtrip non-stop flight included
St. Louis (STL) to Portland (PWM)
Kennebunkport Captains Collection

Kennebunkport Captains Collection

4.5 out of 5
Save 100% on your flight
per person
Aug 9 - Aug 16
found 1 day ago
Roundtrip non-stop flight included
St. Louis (STL) to Portland (PWM)
Portland Harbor Hotel

Portland Harbor Hotel

4 out of 5
Save 100% on your flight
per person
Aug 9 - Aug 16
found 1 day ago
Roundtrip non-stop flight included
St. Louis (STL) to Portland (PWM)
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Frequently asked questions

Can I catch a flight from STL to Portland Intl. Jetport Airport (PWM) right now?
Be sure to check out our Covid-19 Travel Advisor to see if there are any current travel advice reports and quarantine requirements in place in Portland Intl. Jetport when jet-setting from Lambert Field.
Are there direct flights from STL to Portland Intl. Jetport?
You won't find a flight straight from Lambert-St. Louis Intl. Airport (STL) to Portland Intl. Jetport, but don't fret. American Airlines, United Airlines and Delta offer flights with just one stopover.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Portland Intl. Jetport, please visit our Customer Service Portal.
How long is the flight from STL to Portland Intl. Jetport?
With the flight from St. Louis to Portland taking on average 3 hours and 56 minutes, there'll be time to get things done in the air. Make good use of your journey by bringing that novel you always wanted to read, exploring the in-flight entertainment or taking a nice long nap. You'll probably even find you can squeeze in all three before the plane lands.
What is the flight distance from STL to Portland Intl. Jetport?
There's a flight distance of 1,100 mi between St. Louis Lambert International Airport and Portland Intl. Jetport. This is classified as a medium-haul flight. You'll have plenty of time to watch the in-flight entertainment and catch up on some sleep if you're feeling tired.
What airlines fly from Lambert Field to PWM?
With no direct flights on offer, it will be in your best interest to plan well in advance if you're traveling between STL and Portland Intl. Jetport. Find the quickest route with the fewest stopovers and save yourself some time.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you're flying with American Airlines, United Airlines or Delta you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Flight information from St. Louis to Portland

 

Traveling From
Lambert-St. Louis Intl.
Traveling To
Portland Intl. Jetport
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$277

Route Info

Flight path for flights from Lambert-St. Louis International Airport to Portland International Jetport.


Origin:
STL - Lambert-St. Louis International Airport
Destination:
PWM - Portland International Jetport
Distance:
1,182.00 miles

Airline carriers and aircraft used on flights from STL to PWM


Airline Carrier
Aircraft
American Airlines
Aerospatiale/Alenia ATR 42-300 / 320

Discover our best flights from St. Louis STL to Portland PWM. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from St. Louis STL to Portland PWM at the right price  

Airfares to Portland PWM from St. Louis STL currently cost between $277 and $325. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from St. Louis STL to Portland PWM 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from St. Louis STL to Portland PWM on Travelocity starting at $139. Prices and availability subject to change. Additional terms may apply. 

 

Get to Portland PWM from St. Louis STL quicker with direct flights. 

Get to Portland faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to PWM from STL to take around hour(s) min(s).  

 

Find our cheapest airfares for flights from St. Louis STL to Portland PWM

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to PWM from STL. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from St. Louis STL to Portland PWM today 

If you’re flexible about when you travel, October is usually the cheapest month to fly from St. Louis STL to Portland PWM. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Portland PWM from St. Louis STL 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to PWM from STL have this option.  

 

Travel with confidence when you book flights to Portland PWM from St. Louis STL with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.